Plumbing contractors in Pasco, WA

20 active plumbing contractors are registered with Washington L&I at a Pasco, WA address. 36 registrations are on record in all, including expired and other statuses.

By the numbers

Active registrations: 20
Registrations on record, all statuses: 36
Registered in the last 12 months: 4
Median years registered, active: 3
Suspension on record: 2
Complaint records matched: 0

Counts of L&I contractor registration records, computed October 8, 2026. Active means the state's record shows ACTIVE status. Years are counted from each registration's effective date.
Suspension on record: registrations with SUSPENDED status, plus active or re-licensed registrations that carry a suspension date.
Complaint records matched: contractors with at least one Attorney General consumer complaint record under the same business name and city. A complaint record is not a finding of wrongdoing.
Sources: L&I Contractor License Data - General andAttorney General Consumer Complaints. Seehow directory numbers are computed.

Longest registered

CLEAN WATER SPECIALISTS INCRegistered since October 23, 1998
RELIABLE ROOTER LLCRegistered since January 22, 2016
DOUBLE A PLUMBING LLCRegistered since August 10, 2021
ROTO-ROOTER SERVICERegistered since August 13, 2021
SIERRA PLUMBING INCRegistered since September 8, 2021

Recently registered

DAD BOD PLUMBING LLCRegistered on September 3, 2026
A-ONE REFRIGERATION & HTGRegistered on July 23, 2026
ALLSET HOME LLCRegistered on June 12, 2026
INTEGRITY PLUMBING LLCRegistered on December 8, 2025
URBAN MECHANICAL LLCRegistered on August 15, 2025

Active registrations, by the effective date on the state's record.

All 36 registrations on record

Businesses by registered name and license number. Show only the 20 active registrations.

A-ONE REFRIGERATION & HTGACTIVE
License ONERERH745NK · Registered less than 1 year
ALLSET HOME LLCACTIVE
License ALLSEHL745LK · Registered less than 1 year
BIGFOOT PLUMBING LLCACTIVE
License BIGFOPL751C8 · Registered 1 year
Backflow Tri-Cities LLCACTIVE
License BACKFTL774LZ · Registered 3 years
CAMPBELL COOL ELEC PLMB CORPACTIVE
License CAMPBCE791PL · Registered 4 years
CLEAN WATER SPECIALISTS INCACTIVE
License CLEANWS024P3 · Registered 27 years
COLUMBIA PUMP INCACTIVE
License COLUMPI784R2 · Registered 3 years
DAD BOD PLUMBING LLCACTIVE
License DADBOBP740OC · Registered less than 1 year
DOUBLE A PLUMBING LLCACTIVE
License DOUBLPL792NF · Registered 5 years
EVERGREEN PLUMBING LLCACTIVE
License EVERGPL794O9 · Registered 4 years
INTEGRITY PLUMBING LLCACTIVE
License INTEGPL751RE · Registered less than 1 year
L W SMITH PUMP SERVICE INCACTIVE
License LWSMIWS772BU · Registered 3 years
MR ROOTER PLUMBINGACTIVE
License MRROORP781NC · Registered 4 years
PATRIOT PLUMBING LLCACTIVE
License PATRIPL780K6 · Registered 3 years
PERFECTION PLUMBING & MECH LLCACTIVE
License PERFEPM760CG · Registered 2 years
REBATH OF TRI CITIESACTIVE
License REBATTC762PB · Registered 2 years
RELIABLE ROOTER LLCACTIVE
License RELIARL841B2 · Registered 10 years
ROTO-ROOTER SERVICEACTIVE
License ROTORS*798MT · Registered 5 years
SIERRA PLUMBING INCACTIVE
License SIERRPI795O9 · Registered 5 years
URBAN MECHANICAL LLCACTIVE
License URBANML752NN · Registered 1 year
ALL ASSURED HTG CLG A/C & ELECEXPIRED
License ALLASAH789DC · First registered 2022
Backflow Tri-Cities LLCRE-LICENSED
License BACKFTL798JR · First registered 2021
DOUBLE A PLUMBING LLCRE-LICENSED
License DOUBLPL860J4 · First registered 2014
EVERGREEN PLUMBING LLCRE-LICENSED
License EVERGPL018J9 · First registered 1999
FIRST PICK PLUMBINGEXPIRED
License FIRSTPP821N3 · First registered 2018
INTEGRITY PLUMBING LLCEXPIRED
License INTEGPL840P6 · First registered 2016
M CAMPBELL & COMPANY INCEXPIRED
License MCAMPCC796NU · First registered 2021
MCK CONSTRUCTION & REMODEL LLCEXPIRED
License MCKCOCR762B3 · First registered 2024
MEL'S PLUMBING SERVICESEXPIRED
License MELSPPS841BN · First registered 2016
PRECISION PLUMBING/SUPPLY INCRE-LICENSED
License PRECIPS971ON · First registered 2003
PRIORITY PLUMBING & SUPPLY LLCEXPIRED
License PRIORPS786RZ · First registered 2022
PRIORITY PLUMBING & SUPPLY LLCEXPIRED
License PRIORPS826RM · First registered 2018
RM PLUMBING LLCEXPIRED
License RMPLUPL787NB · First registered 2022
SIERRA PLUMBING INCRE-LICENSED
License SIERRPI947CA · First registered 2006
TRIPLE A PLUMBING LLCOUT OF BUSINESS
License TRIPLPL884BC · First registered 2012
URBAN MECHANICAL LLCRE-LICENSED
License URBANML790MB · First registered 2021